2 negatives: The SD card is very easy to use the wrong, because there are better solutions;) Unfortunately we have an inclusion behind the lenses. For me is very annoying, but our microscope has brought the Christ child and unfortunately therefore is with Exchange and nothing: / Aside from the quality of the lenses and the zoom is really top. Very much accessories is, incl. Shrimps eggs with operating instructions. And a suitcase. 5 preparations to plunge forward are in there too.